Home / 905,206.78-1,357,976.22-298,029.70

Finding the Fourth Proportional to 905,206.78, 1,357,976.22 and 298,029.70

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Solution

The fourth proportional to 905,206.78, 1,357,976.22 and 298,029.70 is: 447,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,206.78 : 1,357,976.22 = 298,029.70 : x
  2. Step 2: Convert to fraction form
    905,206.78/1,357,976.22 = 298,029.70/x
  3. Step 3: Cross multiply
    905,206.78x = 1,357,976.22 × 298,029.70
  4. Step 4: Simplify right side
    905,206.78x = 404,717,245,453.73
  5. Step 5: Solve for x
    x = 404,717,245,453.73/905,206.78
  6. Step 6: Final answer
    x = 447,099.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.